US10701826B2 - Display device - Google Patents

Display device Download PDF

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Publication number
US10701826B2
US10701826B2 US15/799,268 US201715799268A US10701826B2 US 10701826 B2 US10701826 B2 US 10701826B2 US 201715799268 A US201715799268 A US 201715799268A US 10701826 B2 US10701826 B2 US 10701826B2
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United States
Prior art keywords
side wall
flat plate
plate portion
layer
display panel
Prior art date
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Active
Application number
US15/799,268
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English (en)
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US20190069425A1 (en
Inventor
Jaeuk Ryu
Woohyuk Choi
Jaekun KIM
Junhyung KIM
Manin Baek
Bosung LEE
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LG Electronics Inc
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LG Electronics Inc
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Assigned to LG ELECTRONICS INC. reassignment LG ELECTRONICS INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: BAEK, MANIN, CHOI, WOOHYUK, KIM, JAEKUN, KIM, JUNHYUNG, LEE, BOSUNG, RYU, JAEUK
Publication of US20190069425A1 publication Critical patent/US20190069425A1/en
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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/03—Covers
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1601—Constructional details related to the housing of computer displays, e.g. of CRT monitors, of flat displays
    • H01L51/5237—
    • H01L51/56—
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/0017—Casings, cabinets or drawers for electric apparatus with operator interface units
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20954—Modifications to facilitate cooling, ventilating, or heating for display panels
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00—Organic light-emitting devices
    • H10K50/80—Constructional details
    • H10K50/84—Passivation; Containers; Encapsulations
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133311—Environmental protection, e.g. against dust or humidity
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133314—Back frames
    • G02F2001/133314—
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/46—Fixing elements
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/54—Arrangements for reducing warping-twist
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2202/00—Materials and properties
    • G02F2202/28—Adhesive materials or arrangements
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2200/00—Indexing scheme relating to G06F1/04 - G06F1/32
    • G06F2200/16—Indexing scheme relating to G06F1/16 - G06F1/18
    • G06F2200/161—Indexing scheme relating to constructional details of the monitor
    • G06F2200/1612—Flat panel monitor
    • H01L51/529—
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20127—Natural convection
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00—Organic light-emitting devices
    • H10K50/80—Constructional details
    • H10K50/87—Arrangements for heating or cooling
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/80—Constructional details
    • H10K59/87—Passivation; Containers; Encapsulations
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/80—Constructional details
    • H10K59/8794—Arrangements for heating and cooling

Definitions

  • the present invention relates to a display device, and more particularly to a display device having a module cover coupled to the display panel to provide the display panel with rigidity.
  • the display can be implemented by using an LCD (Liquid Crystal Display Device), a PDP (Plasma Display Panel), an ELD (Electroluminescent Display), a VFD (Vacuum Fluorescent Display), and an OLED (Organic Light Emitting Diode).
  • LCD Liquid Crystal Display Device
  • PDP Plasma Display Panel
  • ELD Electrode Deposition
  • VFD Vauum Fluorescent Display
  • OLED Organic Light Emitting Diode
  • one object of the present disclosure is to address the problems with the related art.
  • Another object of the present invention is to reduce the thickness of the display device.
  • Another object of the present invention is to provide a slimmer bezel of the display device.
  • Still another object of the present invention is to reduce the weight of the display device.
  • Yet another object of the present invention is to provide a display device having a structure for stably protecting a display panel.
  • Another object of the present invention is to improve the rigidity of the display device.
  • Still another object of the present invention is to simplify the manufacturing process of the display device.
  • Another object of the present invention is to reduce the manufacturing cost of the display device.
  • the present invention provides in one aspect a display device including a display panel; and a module cover positioned at a rear of the display panel.
  • the module cover includes a flat plate portion corresponding to a rear surface of the display panel; a side wall extended toward a front of the display panel from the flat plate portion, the side wall covering an edge of the display panel; and a bent portion between the flat plate portion and the side wall;
  • the flat plate portion includes a flat plate portion first layer at the rear of the display panel; a flat plate portion second layer at a rear of the flat plate portion first layer; and a flat plate portion third layer at a rear of the flat plate portion second layer.
  • the flat plate portion second layer includes a material having a greater rigidity than a material of the flat plate portion first layer or the flat plate portion third layer.
  • FIGS. 1 to 5 are views showing a display device according to various embodiments of the present invention.
  • FIGS. 6 to 13 are views showing, in accordance with various embodiments of the present invention, a cross-section of the display unit of FIG. 1 taken along the line A 1 -A 2 .
  • FIGS. 14 to 23 are views illustrating a module cover according to various embodiments of the present invention.
  • first ‘first’, ‘second’, etc. may be used to describe various components, but the components are not limited by such terms. The terms are used only for the purpose of distinguishing one component from other components. For example, a first component may be designated as a second component without departing from the scope of the present invention. In the same manner, the second component may be designated as the first component.
  • the term “and/or” encompasses both combinations of the plurality of related items disclosed and any item from among the plurality of related items disclosed.
  • the display panel applicable to the present invention may be an organic light emitting diode panel (OLED panel), a plasma display panel (PDP), a field emission display panel (FED panel), and a liquid crystal panel (LCD panel).
  • OLED panel organic light emitting diode panel
  • PDP plasma display panel
  • FED panel field emission display panel
  • LCD panel liquid crystal panel
  • the display device 10 includes a display unit 20 and a pedestal 30 .
  • the display unit 20 may have a planar shape as a whole, and the pedestal 30 can extend downward from the display unit 20 and support the display unit 20 .
  • the display unit 20 includes a first long side LS 1 and a second long side LS 2 opposite to the first long side LS 1 .
  • the display unit 20 also includes a first short side SS 1 and a second short side SS 2 opposite to the first short side SS 1 .
  • the first short side SS 1 is adjacent to both the first long side LS 1 and the second long side LS 2 .
  • An area adjacent to the first short side SS 1 can be referred to as a first short side area SS 1
  • an area adjacent to the second short side SS 2 can be referred to as a second short side area SS 2
  • an area adjacent to the first long side LS 1 can be referred to as a first long side area LS 1
  • area adjacent to the second long side LS 2 can be referred to as a second long side area LS 2 .
  • first short side area SS 1 can be referred to as a first side area
  • second short side area SS 2 can be referred to as a second side area
  • first long side area LS 1 can be referred to as a third side area
  • second long side area LS 2 can be referred to as a fourth side area.
  • the lengths of the first and second long sides LS 1 and LS 2 may be longer than the lengths of the first and second short sides SS 1 and SS 2 for the convenience of explanation. It is also possible that the lengths of the first and second long sides LS 1 and LS 2 are substantially equal to the lengths of the first and second short sides SS 1 and SS 2 .
  • the display unit 20 also includes a display panel 100 for displaying an image.
  • the display panel 100 forms a front surface of the display unit 20 and displays an image toward the front of the display unit 20 .
  • first direction DR 1 may be a direction along to the long sides LS 1 and LS 2 of the display unit 20
  • the second direction DR 2 may be a direction along to the short sides SS 1 and SS 2 of the display unit 20
  • the third direction DR 3 may be a direction normal to the first direction DR 1 and/or the second direction DR 2
  • first direction DR 1 can be referred to as a horizontal direction
  • first direction DR 1 may be a virtual horizontal axis
  • the second direction DR 2 can be referred to as a vertical direction and may be a virtual vertical axis.
  • the third direction DR 3 may be a back-and-forth direction and may be another virtual horizontal axis.
  • a side on which the display unit 20 displays the image can be referred to as a ‘forward direction’ or a ‘front side’ of the display unit 20 .
  • a side on which the image cannot be viewed can be referred to as a ‘rearward direction’ or a ‘rear side’ of the display unit 20 .
  • the first long side LS 1 can be referred to as an upper side or an upper surface
  • the second long side LS 2 side can be referred to as a lower side or a lower surface
  • the first short side SS 1 can be referred to as a right side or the right side
  • the second short side SS 2 can be referred to as a left side or a left side.
  • first long side LS 1 , the second long side LS 2 , the first short side SS 1 and the second short side SS 2 can be referred to as an edge of the display unit 20 .
  • the area where the first long side LS 1 , the second long side LS 2 , the first short side SS 1 , and the second short side SS 2 meet with each other can be referred to as a corner.
  • the area where the first long side LS 1 and the first short side SS 1 meet can be referred to as a first corner C 1 .
  • the area where the first long side LS 1 and the second short side SS 2 meet can be referred to as a second corner C 2 .
  • the area where the second short side SS 2 and the second long side LS 2 meet can be referred to as a third corner C 3 .
  • the area where the second long side LS 2 and the first short side SS 1 meet can be referred to as a fourth corner C 4 .
  • the direction from the first short side SS 1 to the second short side SS 2 or the direction from the second short side SS 2 to the first short side SS 1 can be referred to as the left and right direction LR.
  • the direction from the first long side LS 1 to the second long side LS 2 or the direction from the second long side LS 2 to the first long side LS 1 can be referred to as the up and down direction UD.
  • the module cover 200 includes a flat plate portion 210 and a side wall 220 .
  • the module cover 200 is disposed behind the display panel 100 and can be attached to the display panel 100 .
  • the flat plate portion 210 can be referred to as a bottom portion 210 .
  • the module cover 200 includes a first short side 200 SS 1 , a first long side 200 LS 1 , a second short side 200 SS 2 , and a second long side 200 LS 2 .
  • the first short side 200 SS 1 , the first long side 200 LS 1 , the second short side 200 SS 2 and the second long side 200 LS 2 of the module cover 200 form a circumference of the module cover 200 .
  • first short side 200 SS 1 , the first long side 200 LS 1 , the second short side 200 SS 2 and the second long side 200 LS 2 of the module cover 200 correspond to the first short side SS 1 , the first long side LS 1 , the second short side SS 2 , and the second long side LS 2 of the display unit 20 (see FIG. 1 ), respectively.
  • the display panel 100 also forms a first short side 100 SS 1 , a first long side 100 LS 1 , a second short side 100 SS 2 and a second long side 100 LS 2 .
  • the first short side 100 SS 1 , the first long side 100 LS 1 , the second short side 100 SS 2 and the second long side 100 LS 2 of the display panel 100 form an outer circumference of the display panel 100 .
  • first short side 100 SS 1 of the display panel 100 can be referred to as a first side 100 SS 1 of the display panel 100
  • second short side 100 SS 2 of the display panel 100 can be referred to as the second side 100 SS 2 of the display panel 100
  • first long side 100 LS 1 of the display panel 100 can be the third side 100 LS 1 of the display panel 100
  • the second long side 100 LS 2 of the display panel 100 can be regarded as the fourth side 100 LS 2 of the display panel 100 .
  • first short side 100 SS 1 , the first long side 100 LS 1 , the second short side 100 SS 2 and the second long side 100 LS 2 of the display panel 100 respectively correspond to the first short side 200 SS 1 , the first long side 200 LS 1 , the second short side 200 SS 2 , and the second long side 200 LS 2 of the module cover 200 .
  • the length of the first short side 100 SS 1 of the display panel 100 may not be greater than the length of the first short side 200 SS 1 of the module cover 200 .
  • the length of the second short side 100 SS 2 of the display panel 100 may not be greater than the length of the second short side 200 SS 2 of the module cover 200 .
  • the length of the first long side 100 LS 1 of the display panel 100 may not be greater than the length of the first long side 200 LS 1 of the module cover 200
  • the length of the second long side 100 LS 2 of the display panel 100 may not be greater than the length of the second long side 200 LS 2 of the module cover 200 .
  • the module cover 200 can support the display panel 100 .
  • the module cover 200 may have rigidity and include a metal.
  • the module cover 200 may include aluminum.
  • the flat plate portion 210 of the module cover 200 may have a shape of a thin plate and face the rear surface of the display panel 100 .
  • the flat plate portion 210 can also be coupled to the display panel 100 and support the display panel 100 .
  • the side wall 220 of the module cover 200 can be disposed at the edges 200 SS 1 , 200 SS 2 , 200 LS 1 , and 200 LS 2 of the module cover 200 .
  • the side wall 220 of the module cover 200 may be provided in plurality.
  • the plurality of side walls 220 of the module cover 200 can face the edges 100 SS 1 , 100 SS 2 , 100 LS 1 , and 100 LS 2 of the display panel 100 .
  • the side wall 220 and the flat plate portion 210 of the module cover 200 can form a space opened toward the front of the module cover 200 .
  • the side wall 220 and the flat plate portion 210 of the module cover 200 can form a space capable of accommodating the display panel 100 .
  • the side wall 220 of the module cover 200 can also have a shape that wraps or covers the display panel 100 .
  • the display panel 100 is positioned in front of the flat plate portion 210 and is flexible.
  • the display panel 100 is provided with rigidity from the module cover 200 and is housed in the module cover 200 .
  • the display panel 100 displays an image.
  • the display unit 20 includes a back cover 400 forming a portion of the rear surface of the display unit 20 .
  • the back cover 400 is located behind the module cover 200 .
  • the back cover 400 can be disposed at a lower portion of the rear surface of the module cover 200 .
  • the back cover 400 may include a synthetic resin and can be referred to as a PCB cover 400 .
  • the display unit 20 includes a power supply board P, a driving board D, and a tuner board T.
  • the power supply board P, the driving board D and the tuner board T may be located at the lower portion of the display unit 20 and can be covered by the back cover 400 .
  • the power supply board P can be connected to an external power source and can rectify the AC power to the DC power.
  • the power supply board P can also provide the display unit 20 or the display panel 100 with electric power.
  • the power supply board P can provide DC power to the display unit 20 or the display panel 100 .
  • the driving board D can control the display of the image of the display unit 20
  • the tuner board T can receive broadcast information or external input information.
  • the tuner board T can provide the driving board D with the received broadcast information or external input information.
  • the display device 10 includes a display unit 20 and a wall bracket 500 .
  • the display unit 20 includes a display panel 100 , a module cover 200 , and a PCB cover 400 .
  • the display panel 100 is positioned at the front side of the display unit 20 and displays an image.
  • the display panel 100 includes a plurality of pixels for displaying an image by outputting RGB (red, green or blue).
  • the display panel 100 includes an active area in which an image is displayed and an in-active area in which no image is displayed.
  • the display panel 100 may include an organic light emitting diode (OLED).
  • OLED organic light emitting diode
  • At least one source PCB 172 and an interface PCB 174 can be disposed on the back side of the display panel 100 .
  • the interface PCB 174 can be spaced apart from the at least one source PCB 172 .
  • at least one source PCB 172 can be adjacent to the edge of the display panel 100 relative to the interface PCB 174 .
  • at least one source PCB 172 may be provided in plurality. The plurality of source PCBs 172 can be disposed apart from each other.
  • At least one PCB connector 173 can be disposed on the rear side of the display panel 100 and can electrically connect the interface PCB 174 and the source PCB 172 .
  • the interface PCB 174 can mount wires for carrying digital video data and timing control signals transmitted from the outside of the display unit 20 .
  • the source PCB 172 can electrically connect the interface PCB 174 and the display panel 100 . Further, the source COF (Chip On Film) 123 can connect the source PCB 172 and the display panel 100 . The source COF 123 may extend from the edge of the display panel 100 to the source PCB 172 . The source COF 123 may mount a data integrated circuit. The source COF 123 and the source PCB 172 may be integrally formed.
  • the adhesive sheet 350 is positioned on the rear surface of the display panel 100 and couples the display panel 100 and the module cover 200 .
  • the adhesive sheet 350 may be in the form of a rectangular photo-frame having a hollow portion and be positioned along the edges of the display panel 100 .
  • the insulating sheet 251 can be positioned between the display panel 100 and the module cover 200 and be attached to the module cover 200 .
  • the insulating sheet 251 can protect the source PCB 172 from electromagnetic noise and includes an insulating material.
  • the module cover 200 is provided on the rear surface of the display panel 100 and can be attached to the display panel 100 by the adhesive sheet 350 . Further, the module cover 200 supports the rear surface of the display panel 100 and provides rigidity to the display panel 100 .
  • the module cover 200 preferably includes a lightweight and highly rigid material. For example, the module cover 200 can include aluminum.
  • the tilting hole 271 can be formed in the module cover 200 and can receive a hook formed on the wall bracket 500 .
  • the hook formed on the wall bracket 500 may have a shape of a protrusion.
  • the wall bracket 500 may be installed at a structure such as a wall.
  • the display unit 20 can be supported on the wall bracket 500 .
  • the tilting hole 271 receives the hook formed in the wall bracket 500 , the display unit 20 can hang on the wall bracket 500 .
  • the opening 273 is formed in the module cover 200 and includes a first opening 273 a and a second opening 273 b .
  • the first opening 273 a may correspond to the source PCB 172 .
  • the first opening 273 a may be adjacent to an edge of the module cover 200 and can receive the source PCB 172 .
  • the second opening 273 b may correspond to the interface PCB 174 .
  • the second opening 273 b can be located at the central portion of the module cover 200 and receive the interface PCB 174 .
  • the PCB cover 400 may be located behind the interface PCB 174 or behind the source PCB 172 .
  • the PCB cover 400 includes a first PCB cover 431 and a second PCB cover 435 .
  • the first PCB cover 431 may be located behind the source PCB 172 and the second PCB cover 435 may be located behind the interface PCB 174 .
  • the first PCB cover 431 also covers the source PCB 172 and the second PCB cover 435 covers the interface PCB 174 .
  • the PCB cover 400 includes an insulating material and can protect the source PCB 172 and the interface PCB 174 from leakage electric currents.
  • the display device 10 includes a display unit 20 and a control unit 300 electrically connected to the display unit 20 .
  • the control unit 300 provides signals and/or power to the display unit 20 and includes components that drive the display device 10 .
  • the case of the control unit can also shield the components.
  • the case of the control unit 300 can shield at least one printed circuit board (PCB).
  • the display device 10 includes a cable 161 such as a flat cable 161 .
  • the flat cable 161 can electrically connect the display unit 20 and the control unit 300 .
  • a plurality of flat cables 161 can also be provided.
  • the display device 10 includes a cable 163 such as a circular cable 163 .
  • the circular cable 163 may be thicker than the flat cable 161 .
  • the module cover 200 can be positioned behind the display panel 100 and face the rear surface of the display panel 100 .
  • the adhesive sheet 350 can be positioned between the display panel 100 and the module cover 200 and couple the display panel 100 with the module cover 200 .
  • the adhesive sheet 350 can also be referred to as an adhesive tape 350 .
  • the adhesive sheet 350 may be, for example, a double-sided adhesive tape.
  • An air gap AG can also be formed between the display panel 100 and the module cover 200 to receive a flow of air, for example. That is, the air gap AG can be a passage-way of the air. In addition, the air contained in the air gap AG can exchange heat with the display panel 100 and/or the module cover 200 .
  • the module cover 200 includes a flat plate portion 210 , a side wall 220 , and a bent portion 230 .
  • the flat plate portion 210 , the side wall 220 , and the bent portion 230 may be integrally formed. Further, the flat plate portion 210 can be positioned behind the display panel 100 and provide rigidity to the display panel 100 . The flat plate portion 210 thus can support the display panel 100 and protect the rear surface of the display panel 100 .
  • the flat plate portion 210 also has a flat shape with a first thickness T 1 .
  • the flat plate portion 210 can also be referred to as a bottom portion 210 .
  • the side wall 220 can be positioned forward with respect to the flat plate portion 210 and be extended from edges of the flat plate portion 210 .
  • the side wall 220 is also bent toward the front of the flat plate portion 210 from the edges of the flat plate portion 210 faces and faces a lateral side of the display panel 100 .
  • the lateral side of the display panel 100 can correspond to at least one of an upper side, a lower side, a left side, and a right side of the display panel 100 .
  • the side wall 220 faces a lateral surface of the display panel 100 .
  • the lateral surface of the display panel 100 can correspond to at least one of an upper surface, a lower surface, a left surface, and a right surface of the display panel 100 .
  • the side wall 220 can protect the lateral side or surface of the display panel 100 .
  • the side wall 220 may have a flat shape with a second thickness T 2 .
  • the thickness of the side wall 220 can be substantially the same as the thickness of the flat plate portion 210 . That is, the second thickness T 2 can be substantially equal to the first thickness T 1 .
  • the second thickness T 2 may be 1.0 mm to 1.2 mm.
  • the bent portion 230 can be positioned between the flat plate portion 210 and the side wall 220 .
  • the bent portion 230 connects the flat plate portion 210 and the side wall 220 .
  • the bent portion 230 is extended from the flat plate portion 210 and is connected to the side wall 220 .
  • the bent portion 230 thus can have a curved shape.
  • the bent portion 230 is bent toward the front of the flat plate portion 210 from an edge of the flat plate portion 210 .
  • the thickness of the bent portion 230 may be a third thickness T 3 that is substantially the same as the second thickness T 2 .
  • the bent portion 230 can be formed by bending an edge portion of the flat plate portion 210 .
  • stress may be generated in the bent portion 230 .
  • the stress generated at the bent portion 230 is related to the degree of bending of the bent portion 230 .
  • the stress generated at the bent portion 230 has a positive correlation with the bent degree of the bent portion 230 . As the degree of bending of the bent portion 230 is greater, the bent portion 230 is smaller.
  • the module cover 200 includes a plurality of layers.
  • the module cover 200 includes a first layer 201 , a second layer 202 , and a third layer 203 .
  • the heat expansion coefficient of the first layer 201 may be greater than the heat expansion coefficient of the second layer 202
  • the heat expansion coefficient of the third layer 203 may be substantially the same as the heat expansion coefficient of the first layer 201 .
  • the flat plate portion 210 includes a flat plate portion first layer 201 F, a flat plate portion second layer 202 F, and a flat plate portion third layer 203 F.
  • the side wall 220 includes a side wall first layer 201 S, a side wall second layer 202 S, and a side wall third layer 203 S.
  • the bent portion 230 includes a bent portion first layer 201 B, a bent portion second layer 202 B, and a bent portion third layer 203 B.
  • first layer 201 is adjacent to the display panel 100 .
  • third layer 203 can form a rear surface and an outer lateral surface of the display unit 20 , and the second layer 202 may be located between the first layer 201 and the third layer 203 .
  • the first to third layers 201 , 202 , and 203 include, for example, a metal.
  • the first layer 201 faces the display panel 100 and is exposed to outside air.
  • the first layer 201 preferably includes a material resistant to corrosion.
  • the first layer 201 may include aluminum such as an alloy of aluminum and manganese.
  • the thickness of the first layer 201 may be 0.25 mm to 0.3 mm.
  • the first layer 201 can receive heat from the display panel 100 and emit the heat of the display panel 100 to the outside.
  • the first layer 201 preferably includes a material having a high thermal conductivity.
  • the first layer 201 may include an aluminum alloy.
  • the third layer 203 forms an appearance at the rear surface and/or the lateral surface of the display unit 20 .
  • the lateral surface can correspond to at least one of an upper surface, a lower surface, a left surface, and a right surface.
  • the third layer 203 may be exposed to outside air.
  • the third layer 203 may also include a substance resistant to corrosion.
  • the third layer 203 may include aluminum.
  • the material of the third layer 203 may be substantially the same as the material of the first layer 201 .
  • the thickness of the third layer 203 may be substantially equal to the thickness of the first layer 201 .
  • the thickness of the third layer 203 may be 0.25 mm to 0.3 mm.
  • the second layer 202 is located between the first layer 201 and the third layer 203 and couples the first layer 201 with the third layer 203 .
  • the second layer 202 can be coupled to the first and third layers 201 and 203 by heat and/or pressure.
  • the second layer 202 is generally not exposed to the outside except for the fracture surface 200 C 1 .
  • the second layer 202 also contributes to the rigidity of the module cover 200 .
  • the second layer 202 may include a material having a high rigidity.
  • the second layer 202 may include stainless steel.
  • the first layer 201 includes the flat plate portion first layer 201 F, the side wall first layer 201 S, and the bent portion first layer 201 B.
  • the flat plate portion first layer 201 F faces the display panel 100
  • the bent portion first layer 201 B is extended from the flat plate portion first layer 201 F and is bent toward the front of the display panel 100 .
  • the side wall first layer 201 S is extended toward the front of the display panel 100 from the bent portion first layer 201 B and faces a lateral surface or lateral side of the display panel 100 .
  • the second layer 202 includes the flat plate portion second layer 202 F, the side wall second layer 202 S, and the bent portion second layer 202 B.
  • the flat plate portion second layer 202 F can be positioned on the rear surface of the flat plate portion first layer 201 F.
  • the bent portion second layer 202 B extends from the flat plate portion second layer 202 F and is bent toward the front of the display panel 100 .
  • the side wall second layer 202 S is extended toward the front of the display panel 100 from the bent portion second layer 202 B.
  • the third layer 203 includes the flat plate portion third layer 203 F, the side wall third layer 203 S, and the bent portion third layer 203 B.
  • the flat plate portion third layer 203 F can be positioned on the rear surface of the flat plate portion second layer 202 F and form the rear surface of the display unit 20 .
  • the bent portion third layer 203 B extends from the flat plate portion third layer 203 F and is bent toward the front of the display panel 100 .
  • the side wall third layer 203 S extends toward the front of the display panel 100 from the bent portion third layer 203 B and forms a part of the outer appearance of the display unit 20 .
  • the side wall third layer 203 S can form a left/right outer appearance and/or an upper/lower outer appearance of the display unit 20 .
  • the side wall 220 can form a fracture surface 200 C 1 that faces the front of the display panel 100 .
  • the fracture surface 200 C 1 may have a flat shape and includes a cross section of a first layer 201 , a second layer 202 , and a third layer 203 .
  • the fracture surface 200 C 1 also forms an end of the side wall 220 and/or an end of the module cover 200 .
  • the fracture surface 200 C 1 can be exposed to the outside air and thus a layer for preventing corrosion can be formed on the fracture surface 200 C 1 .
  • the layer for preventing corrosion may be transparent, and the boundary between the fracture surface 200 C 1 and the outer surface can be angulated. However, the angulated boundary of the fracture surface 200 C 1 may cause safety problems.
  • the side walls 220 can form the treated surface 200 C 2 .
  • the treated surface 200 C 2 can be formed by processing the fracture surface 200 C 1 (see FIG. 6 ).
  • the treated surface 200 C 2 can also face the front of the display panel 100 as a whole and be convex toward the front of the display panel 100 .
  • the boundary between the treated surface 200 C 2 and the outer surface can also be rounded.
  • the treated surface 200 C 2 can form an end of the side wall 220 and/or an end of the module cover 200 .
  • the treatment of the fracture surface ( 200 C 1 , see FIG. 6 ) may include chemical treatment, mechanical treatment, and optical treatment.
  • the chemical treatment of the fracture surface ( 200 C 1 , see FIG. 6 ) refers to a process of cutting the fracture surface ( 200 C 1 , see FIG. 6 ) using an etching solution or a radical.
  • the chemical treatment of the fracture surface 200 C 1 (see FIG. 6 ) includes plasma processing. Plasma particles having high energy can cut or smooth or polish the fracture surface ( 200 C 1 , see FIG. 6 ).
  • the optical processing of the fracture surface 200 C 1 corresponds to a process of cutting the fracture surface 200 C 1 (see FIG. 6 ) using a laser, for example.
  • the mechanical treatment of the fracture surface 200 C 1 includes a process of wearing out the fracture surface 200 C 1 (see FIG. 6 ) using a material having a rigidity higher than that of the module cover 200 .
  • a blade made of a reinforced metal can be used to wear the fracture surface 200 C 1 (see FIG. 6 ).
  • the bent portion 230 extends from the flat plate portion 210 and is bent toward the front of the display panel 100 .
  • the bent portion 230 also faces the lateral side or the lateral surface of the display panel 100 .
  • the lateral side (the lateral surface) of the display panel 100 can correspond to the upper side (the upper surface), the lower side (the lower surface), the left side (the left surface), and the right side (the right surface) of the display panel 100 .
  • the bent portion 230 can thus protect the lateral side (lateral surface) of the display panel 100 .
  • the bent portion 230 of the module cover 200 can be referred to as a side wall 220 of the module cover 200 , with regard to the aspect that the bent portion 230 faces the lateral side of the display panel 100 .
  • the bent portion first layer 201 B can be referred to as a side wall first layer 201 S
  • the bent portion second layer 202 B can be referred to as a side wall second layer 202 S.
  • the bent portion third layer 203 B can be referred to as a side wall third layer 203 S.
  • the bent portion 230 can form a fracture surface 200 C 1 .
  • the fracture surface 200 C 1 can face the front of the display panel 100 and have a flat shape.
  • the degree of bending of the bent portion 230 is described with FIG. 6 .
  • the bent portion shown in FIG. 6 can be positioned between the flat plate portion 210 and the side wall 220 , have a relatively small radius of curvature, and have a relatively large curvature.
  • the degree of bending of the bent portion 230 shown in FIG. 6 can also be relatively large and thus have a relatively large stress.
  • the bent portion 230 shown in FIG. 8 faces a lateral side (or lateral surface) of the display panel 100 and can have a relatively large radius of curvature.
  • the bent portion 230 shown in FIG. 8 may also have a relatively small curvature.
  • the degree of bending of the bent portion 230 shown in FIG. 8 may be relatively small.
  • the bent portion 230 shown in FIG. 8 may have a relatively small stress, and have relatively high resistance to external impact.
  • the bent portion 230 can form the treated surface 200 C 2 .
  • the treated surface 200 C 2 can be formed by treating the fracture surface 200 C 1 (see FIG. 8 ).
  • the treated surface 200 C 2 can also face the front of the display panel 100 as a whole.
  • the treated surface 200 C 2 shown in FIG. 9 may have substantially the same properties as the treated surface 200 C 2 shown in FIG. 7 .
  • the flat plate portion 210 and the side wall 220 includes a plurality of layers. Further, the layer structure for forming the side wall 220 may be different from the layer structure for forming the flat plate portion 210 .
  • the flat plate portion 210 can have a layered structure of the first to third layers 201 , 202 , and 203
  • the side wall 220 can have a layered structure of the second and third layers 202 and 203 .
  • the flat plate portion 210 includes a flat plate portion first layer 201 F, a flat plate portion second layer 202 F, and a flat plate portion third layer 203 F.
  • the side wall 220 includes a side wall second layer 202 S and a side wall third layer 203 S and does not include a side wall first layer 201 A.
  • the side wall 220 is thinner and can bend easier because the side wall 220 only has two layers rather than three layers.
  • the bezel area is smaller and thinner.
  • the manufacturing process is simpler.
  • the space between the edge of the display panel 100 and the side wall 220 is greater than when the side wall 220 includes the side wall first layer 210 A. Thus, heat can escape easier.
  • the thickness of the flat plate portion 210 can be referred to as a first thickness T 1 and the thickness of the side wall 220 referred to as the fourth thickness T 4 .
  • the first thickness T 1 can also be greater than the fourth thickness T 4 .
  • the first thickness T 1 may be 1.0 mm to 1.2 mm and the fourth thickness T 4 may be 0.75 mm to 0.9 mm.
  • the thickness of the bent portion 230 can also be the fifth thickness T 5 which can be substantially the same as the fourth thickness T 4 .
  • the thickness of the side wall 220 can be described in comparison with FIG. 6 .
  • the fourth thickness T 4 can be smaller than the second thickness T 2 (see FIG. 6 ).
  • the thickness of the bezel of the display unit 20 according to the embodiment of the present invention shown in FIG. 10 is smaller than the thickness of the bezel of the display unit 20 according to the embodiment of the present invention shown in FIG. 6 .
  • the visibility of the display unit 20 according to the embodiment of the present invention shown in FIG. 10 is better than the visibility of the display unit 20 according to the embodiment of the present invention shown in FIG. 6 .
  • the thickness of the bent portion 230 can be described in comparison with FIG. 6 .
  • the fifth thickness T 5 can be smaller than the third thickness T 3 (see FIG. 6 ).
  • the stress formed in the bent portion 230 shown in FIG. 10 is smaller than the stress formed in the bent portion 230 shown in FIG. 6 .
  • the durability of the module cover 200 according to the embodiment of the present invention shown in FIG. 10 is generally higher than the durability of the module cover 200 according to the embodiment of the present invention shown in FIG. 6 .
  • the manufacturing of the bent portion 230 shown in FIG. 10 can also be facilitated compared with the manufacturing of the bent portion 230 shown in FIG. 6 .
  • the fracture surface 200 C 1 can be formed on the side wall 220 and face the front of the display panel 100 .
  • the fracture surface 200 C 1 can be turned into treated surface 200 C 2 (see FIG. 7 ) through at least one of mechanical treatment, chemical treatment, and optical treatment.
  • the properties of the fracture surface 200 C 1 shown in FIG. 10 are similar to those of the fracture surface 200 C 1 shown in FIG. 6 .
  • the side wall 220 includes an outer side wall 221 and an inner side wall 222 .
  • the total thickness of the side wall 220 may be a sixth thickness T 6 .
  • the side wall 220 extends from the bent portion 230 , and the bent portion 230 extends from the flat plate portion 210 .
  • the side wall 220 can stably protect the lateral side (lateral surface) of the display panel 100 .
  • the flat plate portion 210 can be formed by stacking first to third layers 201 , 202 , and 203 .
  • the thickness of the flat plate portion 210 can also be the first thickness T 1 .
  • the bent portions 230 can be formed by stacking the second and third layers 202 and 203 and bending the flat plate portion 210 toward the front of the display panel 100 .
  • the thickness of the bent portion 230 can also be a fifth thickness T 5 .
  • the outer side wall 221 extends from the bent portion 230 .
  • the outer side wall 221 forms an appearance of lateral side (lateral surface) of the display unit 20 .
  • the lateral side (lateral surface) of the display unit 20 includes at least one of an upper side (upper surface), a lower side (lower surface), a left side (left surface), and a right side (right surface) of the display unit 20 .
  • the outer side wall 221 includes an outer side wall second layer 202 SO and an outer side wall third layer 203 SO.
  • the thickness of the outer side wall 221 can be a fourth thickness T 4 .
  • the inner side wall 222 extends from the outer side wall 221 and includes an inner side wall second layer 202 SI and an inner side wall third layer 203 SI.
  • the inner side wall second layer 202 SI extends from the outer side wall second layer 202 SO.
  • the inner side wall third layer 203 SI extends from the outer side wall third layer 203 SO.
  • the inner side wall 222 can be positioned between the outer side wall 221 and the display panel 100 . Further, the thickness of the inner side wall 222 may be substantially the same as the thickness of the outer side wall 221 . For example, the thickness of the inner side wall 222 may be the fourth thickness T 4 .
  • the fracture surface 200 C 1 can form the end of the side wall 220 and/or the end of the module cover 200 .
  • the fracture surface 200 C 1 also faces the flat plate portion 210 and/or the display panel 100 .
  • the fracture surface 200 C 1 can face the flat plate portion 210 .
  • the inner side wall 222 is also directed to the rear of the display panel 100 .
  • the side wall connection portion 200 R can connect the inner side wall 222 and the outer side wall 221 .
  • the side wall connection portion 200 R may be convex toward the front of the display panel 100 .
  • the side wall connection portion 200 R may also be a surface facing the front of the display panel 100 among the outer surface of the side wall 220 .
  • the side wall connection portion 200 R may be a surface viewed from the front of the display panel 100 among the outer surface of the side wall 220 and may have a curved shape.
  • the layer structure for forming the side wall 220 can be different from the layer structure for forming the flat plate portion 210 .
  • the flat plate portion 210 can have a multiple-layer structure such as a laminated structure (or layered structure) of the first to third layers 201 , 202 , and 203 .
  • the side wall 220 can also have a single layer structure.
  • the thickness of the flat plate portion 210 may be the first thickness T 1 .
  • the flat plate portion 210 also includes the flat plate portion first layer 201 F, the flat plate portion second layer 202 F, and the flat plate portion third layer 203 F.
  • the bent portion 230 can be formed by bending the flat plate portion 210 toward the front of the display panel 100 .
  • the bent portion 230 may have a single layer structure.
  • the bent portion 230 includes the bent portion third layer 203 B.
  • the bent portion 230 also extends from the flat plate portion third layer 203 F.
  • the side wall 220 extends from the bent portion 230 and includes a side wall third layer 203 S. Further, the side wall 220 extends from the bent portion third layer 203 B.
  • the thickness of the side wall 230 may be a seventh thickness T 7 , which is substantially equal to an eighth thickness T 8 .
  • the seventh thickness T 7 may be 0.25 mm to 0.3 mm.
  • the thickness of the bezel of the display unit 20 according to the embodiment of the present invention shown in FIG. 12 is smaller than the thickness of the bezel of the display unit 20 according to the embodiment of the present invention shown in FIG. 10 .
  • the visibility of the display unit 20 according to the embodiment of the present invention shown in FIG. 12 is also improved compared to the visibility of the display unit 20 according to the embodiment of the present invention shown in FIG. 10 .
  • the thickness of the bent portion 230 can be described in comparison with FIG. 10 . That is, the thickness of the bent portion 230 may be the eighth thickness T 8 .
  • the eighth thickness T 8 can also be substantially the same as the thickness of the third layer 203 .
  • the eighth thickness T 8 may be 0.25 mm to 0.3 mm and be smaller than the fifth thickness T 5 (see FIG. 10 ).
  • the stress formed in the bent portion 230 shown in FIG. 12 is smaller than the stress formed in the bent portion 230 shown in FIG. 10 .
  • the durability of the module cover 200 according to the embodiment of the present invention shown in FIG. 12 is also higher than the durability of the module cover 200 according to the embodiment of the present invention shown in FIG. 10 .
  • the manufacturing of the bent portion 230 shown in FIG. 12 can be facilitated in comparison with the manufacturing of the bent portion 230 shown in FIG. 10 .
  • the fracture surface 200 C 1 can be formed at the side wall 220 and can face the front of the display panel 100 .
  • the fracture surface 200 C 1 can be processed to become the treated surface 200 C 2 (see FIG. 7 ).
  • the properties of the fracture surface 200 C 1 shown in FIG. 12 may be similar to those of the fracture surface 200 C 1 shown in FIG. 10 .
  • the side wall 220 includes an outer side wall 221 and an inner side wall 222 .
  • the inner side wall 222 extends from the outer side wall 221 and is positioned between the outer side wall 221 and the display panel 100 .
  • the side wall 220 can stably protect the lateral side (or lateral surface) of the display panel 100 .
  • the total thickness of the side wall 220 may be a ninth thickness T 9 .
  • the total thickness of the side wall 220 corresponds to the sum of the thickness of the outer side wall 221 and the thickness of the inner side wall 222 .
  • the thickness of the outer side wall 221 may be a seventh thickness T 7 .
  • the thickness of the inner side wall 222 can also be substantially the same as the thickness of the outer side wall 221 .
  • the thickness of the inner side wall 222 can thus be the seventh thickness T 7 .
  • the ninth thickness T 9 is also greater than twice the seventh thickness T 7 .
  • the ninth thickness T 9 may be 0.8 mm to 0.9 mm.
  • the side wall 220 shown in FIG. 13 can be compared to the side wall 220 shown in FIG. 6 .
  • the thickness of the side wall 220 shown in FIG. 6 may be 1.0 mm to 1.2 mm as the second thickness T 2 .
  • the total thickness of the side wall 220 shown in FIG. 13 may be 0.8 mm to 0.9 mm as the ninth thickness T 9 .
  • the side wall 220 shown in FIG. 13 can have a thin thickness compared to the side wall 220 shown in FIG. 6 while stably protecting the display panel 100 .
  • the bent portion 230 shown in FIG. 13 can be compared with the bent portion 230 shown in FIG. 11 .
  • the thickness of the bent portion 230 shown in FIG. 13 may be 0.25 mm to 0.3 mm as the eighth thickness T 8
  • the thickness of the bent portion 230 shown in FIG. 11 may be 0.75 mm to 0.9 mm as the fifth thickness T 5 .
  • the module cover 200 can be formed by stacking a plurality of metal layers.
  • the module cover 200 can be formed by stacking first to third layers 201 , 202 , and 203 .
  • the module cover 200 can also be manufactured by machining a metal plate formed by stacking a plurality of metal layers.
  • the module cover 200 shown in FIG. 14 can also be a flat metal plate.
  • the dotted line BL shown in FIG. 14 indicates a part to be processed.
  • the dotted line BL shown in FIG. 14 indicates the portion to be bent and can be referred to as a bending line.
  • the module cover 200 includes a flat plate portion 210 and a side wall 220 .
  • the side walls 220 may also be provided in plural.
  • the side wall 220 includes a left side wall 220 L and a right side wall 220 R.
  • the right side wall 220 R can be referred to as a first side wall 220 R
  • the left side wall 220 L can be referred to as a second side wall 220 L.
  • the left side wall 220 L extends from the left side of the flat plate portion 210
  • the right side wall 220 R extends from the right side of the flat plate portion 210 .
  • the flat plate portion 210 can be positioned between the left side wall 220 L and the right side wall 220 R.
  • the right side (or right edge) of the flat plate portion 210 may be opposite to the left side (or left edge) of the flat plate portion 210 .
  • a front surface of a flat plate portion 210 of a module cover 200 can be observed.
  • the fracture surface 200 C 1 of the side wall 220 can be observed.
  • the fracture surface 200 C 1 of the side wall 220 also faces the front of the flat plate portion 210 .
  • the module cover 200 can form an internal space.
  • the internal space formed at the module cover 200 may be for accommodation.
  • the side wall 220 and the flat plate portion 210 can form the internal space.
  • the internal space formed by the flat plate portion 210 , the left side wall 220 L and the right side wall 220 R can be opened forward, upward, and downward of the flat plate portion 210 .
  • the display panel 100 (see FIG. 2 ) can be located in the internal space formed at the module cover 200 .
  • the module cover 200 can be manufactured by processing a metal plate formed by stacking the first to third layers 201 , 202 , and 203 .
  • the module cover 200 shown in FIG. 16 can also be a flat metal plate.
  • the dotted line BL shown in FIG. 16 indicates the portion to be bent.
  • the dotted line BL shown in FIG. 16 can be referred to as a bending line.
  • the module cover 200 includes a flat plate portion 210 and a side wall 220 .
  • the side walls 220 can also be provided in plural.
  • the side wall 220 includes a left side wall 220 L, a right side wall 220 R, and an upper side wall 220 U.
  • the upper side wall 220 U can be referred to as a third side wall 220 U.
  • the left side wall 220 L extends from the left side of the flat plate portion 210
  • the right side wall 220 R extends from the right side of the flat plate portion 210
  • the upper side wall 220 U extends from the upper side of the flat plate portion 210 .
  • the upper edge of the flat plate portion 210 can connect the left edge and the right edge of the flat plate portion 210 .
  • an area around the point where the upper edge and the right edge of the flat plate portion 210 meet can be referred to as a first corner C 1 .
  • An area around the point where the upper edge and the left edge of the flat plate portion 210 meet can also be referred to as a second corner C 2 .
  • the overlapping areas 220 X of the side wall 220 can be formed. That is, the overlapping area 220 X can be formed, as a bending line BL meets another bending line BL.
  • the overlapping area 220 X of the side wall 220 can be overfolded through bending process. Referring to FIG. 16 ( b ) , the overlapping area 220 X of the side wall 220 can also be cut.
  • a front surface of the flat plate portion 210 of the module cover 200 can be observed.
  • the fracture surface 200 C 1 of the side wall 220 can be observed.
  • the fracture surface 200 C 1 of the side wall 220 can face the front of the flat plate portion 210 .
  • the profile of the fracture surface 200 C 1 of the side wall 220 can be relatively uniform, as the overlapping areas 220 X (see FIG. 16 ) has been removed.
  • the module cover 200 can form an internal space.
  • the side wall 220 and the flat plate portion 210 can form the internal space.
  • the internal space formed by the flat plate portion 210 , the left side wall 220 L, the right side wall 220 R and the upper side wall 220 U can be opened forward and the downward of the flat plate portion 210 .
  • the display panel 100 (see FIG. 2 ) can be located in the internal space formed in the module cover 200 .
  • the module cover 200 can be manufactured by processing a metal plate formed by stacking the first to third layers 201 , 202 , and 203 .
  • the module cover 200 shown in FIG. 18 can be a flat metal plate.
  • the dotted line BL shown in FIG. 18 can be referred to as a bending line BL.
  • the bending lines BL shown in FIG. 18 can also be formed in plural.
  • the bending line BL includes a first bending line BL 1 , a second bending line BL 2 , and a third bending line BL 3 .
  • a plurality of bending lines BL do not intersect with each other. That is, the bending lines BL can reach the edges of the module cover 200 at the corners C 1 and C 2 or at positions adjacent to the corners C 1 and C 2 . Such a structure of the plurality of bending lines BL can prevent overfolding of the overlapping area 220 X (see FIG. 16 ) of the side wall 220 .
  • a first bending line BL 1 can be located alongside of the right edge of the module cover 200
  • a second bending line BL 2 can be located alongside of the left edge of the module cover 200
  • a third bending line BL 3 can be located alongside of the upper edge of the module cover 200 .
  • the first bending line BL 1 and the third bent line BL 3 can also be adjacent to each other at the first corner C 1 .
  • the first open region 220 OR 1 can be formed at the first corner C 1 and can be located between the first bending line BL 1 and the third bending line BL 3 .
  • the first open region 220 OR 1 leads to the outer boundary of the flat plate portion 210 .
  • the outer boundary of the flat plate portion 210 can correspond to the outer edge of the flat plate portion 210 .
  • the second bending line BL 2 and the third bending line BL 3 can be adjacent to each other at the second corner C 2 .
  • the second open region 220 OR 2 can be formed at the second corner C 2 and can be located between the second bending line BL 2 and the third bending line BL 3 .
  • the second open region 220 OR 2 leads to the outer boundary of the flat plate portion 210 and can represent at least one of the first open region 220 OR 1 and the second open region 220 OR 2 .
  • a front surface of a flat plate portion 210 of a module cover 200 can be observed.
  • the fracture surface 200 C 1 of the side wall 220 can be observed.
  • the profile of the fracture surface 200 C 1 of the side wall 220 may also not be uniform.
  • the fracture surface 200 C 1 of the side wall 220 can be narrower as it goes to the corners C 1 or C 2 .
  • first open region 220 OR 1 can be formed at the first corner C 1 and can be formed between the right side wall 220 R and the upper side wall 220 U.
  • the first open region 220 OR 1 and the flat plate portion 210 can also share the same plane.
  • the second open region 220 OR 2 can be formed at the second corner C 2 and can be formed between the left side wall 220 L and the upper side wall 220 U.
  • the second open region 220 OR 2 and the flat plate portion 210 can also share the same plane.
  • the module cover 200 can form an internal space.
  • the internal space formed by the flat plate portion 210 , the left side wall 220 L, the right side wall 220 R and the upper side wall 220 U can be opened downward of the flat plate portion 210 .
  • the internal space formed by the module cover 200 can also communicate with the outside through the open region 220 OR.
  • the display panel 100 (see FIG. 2 ) can be located in the internal space formed in the module cover 200 .
  • the open region 220 OR can be opened toward an outside of the flat plate portion 210 in a lateral direction.
  • the lateral direction includes left direction, right direction, upper direction, and lower direction.
  • the module cover 200 shown in FIG. 20 may be a flat metal plate and can be formed by stacking first to third layers 201 , 202 , and 203 .
  • the module cover 200 includes a plurality of side walls 220 .
  • the side wall 220 includes a left side wall 220 L, a right side wall 220 R, an upper side wall 220 U, and a lower side wall 220 D.
  • the lower side wall 220 D can be referred to as a fourth side wall 220 D.
  • the left side wall 220 L extends from the left side of the flat plate portion 210
  • the right side wall 220 L extends from the right side of the flat plate portion 210
  • the upper side wall 220 U extends from the upper side of the flat plate portion 210
  • the lower side wall 220 D extends from the lower side of the flat plate portion 210 .
  • the upper edge of the flat plate portion 210 can connect the left edge and the right edge of the flat plate portion 210 . Also, a region adjacent to the point where the upper edge and the right edge of the flat plate portion 210 meet can be referred to as a first corner C 1 , and a region adjacent to the point where the upper edge and the left edge of the flat plate portion 210 meet can be referred to as a second corner C 2 .
  • the lower edge of the flat plate portion 210 can be located opposite to the upper edge of the flat plate portion 210 .
  • the lower edge of the flat plate portion 210 can also connect the left edge and the right edge of the flat plate portion 210 .
  • the region adjacent to the point where the lower edge and the left edge of the flat plate portion 210 meet can be referred to as a third corner C 3
  • the region adjacent to the point where the lower edge and the right edge of the flat plate portion 210 meet can be referred to as a fourth corner C 4 .
  • Overlapping areas 220 X of the side wall 220 can be formed at the first to fourth corners C 1 to C 4 and can be formed as a bending line BL meets another bending line BL.
  • the overlapping area 220 X of the side wall 220 can also be overfolded through bending process. Referring to FIG. 20 ( b ) , the overlapping areas 220 X of the side wall 220 can be cut.
  • FIG. 21 a front surface of the flat plate portion 210 of the module cover 200 according to an embodiment of the present invention can be observed.
  • the fracture surface 200 C 1 of the side wall 220 can be observed.
  • the fracture surface 200 C 1 of the side wall 220 can face the front of the flat plate portion 210 .
  • the module cover 200 can form an internal space.
  • the side wall 220 and the flat plate portion 210 can form the internal space.
  • the internal space formed by the flat plate portion 210 , the left side wall 220 L, the right side wall 220 R, the upper side wall 220 U and the lower side wall 220 D can be opened forward of the flat plate portion 210 .
  • the display panel 100 (see FIG. 2 ) can be located in the internal space formed at the module cover 200 .
  • FIG. 22 a front surface of the module cover 200 according to an embodiment of the present invention can be observed.
  • the module cover 200 can be manufactured by processing a metal plate formed by stacking the first to third layers 201 , 202 , and 203 .
  • the module cover 200 shown in FIG. 22 can also be a flat metal plate.
  • the dotted line BL shown in FIG. 22 can be referred to as a bending line BL.
  • the bending lines BL shown in FIG. 18 can also be formed in a plural.
  • the bending line BL includes a first bending line BL 1 , a second bending line BL 2 , a third bending line BL 3 , and a fourth bending line BL 4 .
  • the first bending line BL 1 can be formed alongside of the right edge of the module cover 200
  • the second bending line BL 2 can be formed alongside of the left edge of the module cover 200 .
  • the third bending line BL 3 can be formed alongside of the upper edge of the module cover 200
  • the fourth bending line BL 4 can be formed alongside of the lower edge of the module cover 200 .
  • a plurality of bending lines BL may not intersect with each other. That is, the bending lines BL can reach the edges of the module cover 200 at the corner C 1 to C 4 or at a position adjacent to the corner C 1 to C 4 . Such a structure of the plurality of bent lines BL can prevent overfolding of the overlapping area 220 X of the side wall 220 (see FIG. 20 ).
  • first bending line BL 1 and the third bending line BL 3 can be adjacent to each other at the first corner C 1 .
  • the first open region 220 OR 1 can be formed at the first corner C 1 and be located between the first bending line BL 1 and the third bending line BL 3 .
  • the second bending line BL 2 and the third bending line BL 3 can be adjacent to each other at the second corner C 2 .
  • the second open region 220 OR 2 can be formed at the second corner C 2 and be located between the second bending line BL 2 and the third bending line BL 3 .
  • the second bending line BL 2 and the fourth bending line BL 4 can also be adjacent to each other at the third corner C 3 .
  • the third open region 220 OR 3 can be formed at the third corner C 3 and be located between the second bending line BL 2 and the fourth bending line BL 4 .
  • the third open region 220 OR 3 also leads to the outer boundary of the flat plate portion 210 .
  • first bending line BL 1 and the fourth bending line BL 4 can be adjacent to each other at the fourth corner C 4 .
  • the fourth open region 220 OR 4 can be formed at the fourth corner C 4 and be located between the first bending line BL 1 and the fourth bending line BL 4 .
  • the fourth open region 220 OR 4 also leads to the outer boundary of the flat plate portion 210 .
  • the open region 220 OR can also represent at least one of the first open region 220 OR 1 , the second region area 220 OR 2 , the third open region 220 OR 3 , and the fourth open region 220 OR 4 .
  • FIG. 23 can be explained in comparison with FIG. 19 .
  • a front surface of the flat plate portion 210 of the module cover 200 according to an embodiment of the present invention can be observed.
  • the fracture surface 200 C 1 of the side wall 220 can be observed.
  • the fracture surface 200 C 1 of the side wall 220 can correspond to a lateral surface of the side wall 220 .
  • the first open region 220 OR 1 can be formed at the first corner C 1 and can be formed between the right side wall 220 R and the upper side wall 220 U.
  • the first open region 220 OR 1 and the flat plate portion 210 can also share the same plane.
  • the second open region 220 OR 2 can be formed at the second corner C 2 and be formed between the left side wall 220 L and the upper side wall 220 U.
  • the second open region 220 OR 2 and the flat plate portion 210 can also share the same plane.
  • the third open region 220 OR 3 can be formed at the third corner C 3 and can be formed between the left side wall 220 L and the lower side wall 220 D.
  • the third open region 220 OR 3 and the flat plate portion 210 can also share the same plane.
  • the fourth open region 220 OR 4 can be formed at the fourth corner C 4 and can be formed between the right side wall 220 R and the lower side wall 220 D.
  • the fourth open region 220 OR 4 and the flat plate portion 210 can also share the same plane.
  • the module cover 200 can form an internal space.
  • the internal space formed by the flat plate portion 210 , the left side wall 220 L, the right side wall 220 R, the upper side wall 220 U and the lower side wall 220 D can be opened forward of the flat plate portion 210 .
  • the internal space formed by the module cover 200 can communicate with the outside through the open region 220 OR.
  • the display panel 100 (see FIG. 2 ) can be located in the internal space formed at the module cover 200 .
  • module cover of embodiments of the present invention is particularly advantageous with OLED type displays because of the simplified manufacturing process, the elegant contour design, the slimness of the display and the strength of the module cover. This differs from an LCD display which requires a backlight unit and corresponding guide panel, back cover, module cover etc. which increases the thickness of the display.
  • a relatively thin display device can be provided. Also, a display device with a slim bezel can be provided. Further, a lightweight display, and a structure for stably protecting a display panel can be provided. In addition, the rigidity of the display device can be improved, the manufacturing process of the display device can be simplified, and the manufacturing cost of the display device can be reduced.
  • a configuration “A” described in one embodiment of the invention and the drawings and a configuration “B” described in another embodiment of the invention and the drawings may be combined with each other. Namely, although the combination between the configurations is not directly described, the combination is possible except in the case where it is described that the combination is impossible.

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  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mathematical Physics (AREA)
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  • General Engineering & Computer Science (AREA)
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WO2019045124A1 (fr) 2019-03-07
EP3678367B1 (fr) 2023-12-13
EP3678367A4 (fr) 2021-04-21
US20190069425A1 (en) 2019-02-28

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